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Stellar Occultation by (4651) Wongkwancheng on 2025-08-26 (00:54:21 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 52476650-ddb7-11f0-547e-7a9add7ca318 [observed]

 Occultation Date + Time   : 2025-08-26 at 00:54:21 UT +/- 0.0 min  [1]
 Object Designation        : (4651) Wongkwancheng
 Star Designation          : GDR3 3367604558816029312
 Star Coordinates (ICRF)   : RA = 07 03 50.9654, DE = +21 11 29.731  [2]
 Star Magnitudes           : G = 13.45 mag, RP = 12.98 mag, BP = 13.76 mag
 Object Magnitude          : V = 18.79 mag
 Estimated Magnitude Drop  : 5.4 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 37.3 km/s
 Object Mean Diameter      : 7.9 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.9450 arcs/min @ PA = 97 deg
 Horizontal Parallax       : 2.6970 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 81° (sunlit = 8%), Sun = 48°
 Cross-track uncertainty   : 0.1 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL66
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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